Meritline offers the refurbished Logitech M510 Cordless Optical Mouse in Black, model no. 910-001822, for $18.99. Coupon code "MLCK02QNL1" cuts it to $13.99. With free shipping, that's a buck under our mention of a new unit from two weeks ago and $16 under the lowest total price we could find for a new unit today. This wireless mouse features a USB nano-receiver and ambidextrous, ergonomic design. Coupon expires after 100 uses.

Note: No warranty information is provided.